RT-SVX077B-EN
33
sensors are required to accomplish space temperature
averaging.
• Example #3 illustrates the circuit required for this
sensor. lists the temperature versus resistance
coefficient for all sensors.
Figure 31. Examples
Note: Wiring pin numbers are for reference only. There are
multiple smoke detector systems that could have
differently numbered pins. For correct wiring details,
refer to the specific smoke detector, ship-with
literature.
Table 10. Temperature vs. resistance
Temperature
Nominal Resistance
(kOhms)
Degrees °F Degrees °C
-20 -28.9 170.1
-15 -26.1 143.5
-10 -23.3 121.4
Table 10. Temperature vs. resistance (continued)
Temperature
Nominal Resistance
(kOhms)
Degrees °F Degrees °C
-5 -20.6 103.0
0 -17.8 87.56
5 -15.0 74.65
10 -12.2 63.80
15 -9.4 54.66
20 -6.7 46.94
25 -3.8 40.40
Installation
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